biostatistics summary notes, Schemes and Mind Maps of Public Health

This document provides concise summary notes on key biostatistics concepts, covering topics like data types, descriptive statistics, probability distributions, hypothesis testing, and regression analysis. It serves as a quick reference for students and professionals, simplifying complex statistical methods for practical application in biological and health sciences.

Typology: Schemes and Mind Maps

2024/2025

Uploaded on 08/17/2025

unknown user
unknown user 🇬🇧

1 / 3

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Brain Dump List
OMM
o
Viscerosomatic Levels
o
Chapmans Points
o
Key Rib (BITE)
§ Bottom Inhaled
§ Top Exhaled
o
Fibular Head Treatment (PIP & DEA)
§ PIP
Posterior Fibular Head = Inversion & Plantar Flexion
§ DEA
Anterior Fibular Head = Eversion & Dorsiflexion
Biostatistics
o
Real vs Test Box (TP, FP, TN, FN)
o
Sensitivity
= !"
!"#$#%&
o
Specificity
= !&
!&#$#%"
o
Positive Predictive Value (PPV)
= !"
!"#$#%"
o
Negative Predictive Value (NPV)
= !&
!&#$#%&
o
Absolute Risk Reduction (ARR)
= !"#$!"#$%&'#(/*+,-#.& & !"#$/$%&'#(/0$
o
Number Needed to Treat
(NNT)
= '
())
o
Attributable Risk (AR)
= !"#$/$%&'#(/0$ & !"#$!"#$%&'#(/*+,-#.&
o
Attributable Risk Percent
=
1 '
**
o
Number Needed to Harm (NNH)
= '
()
or
*+,-!"##.#*+,-$%&"##
*+,-!"#
(Round Down)
(Round Up)
pf3

Partial preview of the text

Download biostatistics summary notes and more Schemes and Mind Maps Public Health in PDF only on Docsity!

Brain Dump List

  • OMM o Viscerosomatic Levels o Chapmans Points o Key Rib (BITE) § Bottom Inhaled § Top Exhaled o Fibular Head Treatment (PIP & DEA) § PIP - Posterior Fibular Head = Inversion & Plantar Flexion § DEA - Anterior Fibular Head = Eversion & Dorsiflexion
  • Biostatistics o Real vs Test Box (TP, FP, TN, FN) o Sensitivity =

o Specificity =

o Positive Predictive Value (PPV) =

o Negative Predictive Value (NPV) =

o Absolute Risk^ Reduction^ (ARR)^ = !"#$!"#$%&'#(/*+,-#.& − !"#$/$%&'#(/0$

o Number Needed to Treat (NNT) =

o Attributable Risk (AR) = !"#$/$%&'#(/0$ − !"#$!"#$%&'#(/*+,-#.&

o Attributable Risk Percent^ = 1 −

o Number Needed to Harm (NNH) =

or

(Round Down) (Round Up)

o Odds Ratio (OR) = ! "

$ o Incidence Rate (IR) =

§ Ex: In a population of 100 people, 4 people have diabetes. Person 1 – 4 mos, Person 2 – 2 mos, Person 3 – 7 mos, Person 4 – 11 mos

  • IR =

?$@$A$''$(CD∗'@)

''AD

  • 4 cases per 1,176 person-months (98 person-years)
  • Then cross multiply

CG =1>,85.H14>,

I =1>,85.H14>,

'JJ =18=<

à 98 # = 400 !"#$# %$&%'$ à ( = 4. 1 !"#$# %$&%'$

  • Therefore, IR = 4.1 cases per 100 people per year § New disease development^ = +, × ./012345/6 7589 o Cumulative Incidence (CI)

1#2 -,'#' &4 , (5'#,'# &6#7 , '%#-545- %#75&( 189.#7 &4 %#&%+# ,: 75'; ,: :<# .#=5""5"= &4 :<# %#75&( o Type I vs Type II Errors § Type I/a Error = FP (a is usually 0.05) § Type II/b Error = FN (b is usually 0.20) § 1 - b = Power = TP (Power is usually 0.80) o Statistical Distributions § 1 SD = 68% § 2 SD = 95% § 3 SD = 99.7% o Relative Risk Ratio (RR) = ! % ' "

' $

o Relative Risk Reduction (RRR) =

or 1 − !!